[Ardour-Users] HDSPloader and RME HDSP9652

[Thomas Vecchione]

http://wiki.linuxaudio.org/

I wouldn't want to maintain another wiki at ardour as well.  There is
enough spam on the forums right now.

       Seablade


On Sat, May 24, 2014 at 4:37 AM, Tim <ardour at linux-daw.org> wrote:

> Hey Paul,
>
> thanks for the script. Does it make sense to collect such knowledge
> anywhere in the internet.
> Perhaps it is a good idea to have a wiki at ardour.org, where users and
> devs can log their knowledge.
> I think it could also be a discharge to the devs in general.
>
> Regards
> Tim
>
> On 24. Mai 2014 03:47:23 MESZ, Paul Davis <paul at linuxaudiosystems.com>
> wrote:
>
>>
>>
>>
>> On Fri, May 23, 2014 at 9:38 PM, Benjamin Scherrer <
>> benjamin at wagnerbrutal.de> wrote:
>>
>>> Hi,
>>>
>>> apart from the hdsploader, does anyone know why the issue "need to start
>>> the hdspmixer once to hear something" hasn't been addressed? Safety
>>> reasons sound fine, but there could be a simple "on" switch in the
>>> config, couldn't there? I haven't seen (heared) this behavior with
>>> another card.
>>>
>>
>> ALSA has a rule that all devices are silenced at boot.
>>
>> It is up to user space to restore any existing configuration.
>>
>> The ALSA tools used by most distros to do this restoration don't work
>> properly in the case of a matrix mixer (which the HDSP series has).
>>
>> So instead, the user gets to run hdspmixer. It CAN be done with ALSA
>> tools, but not with alsactl store/restore. I have shell scripts like the
>> one below that I sometimes use to restore particular settings, which I
>> include here to just to show proof of concept.
>>
>> ---------
>> #!/bin/bash
>>
>> AMIXER="amixer -q"
>> CARD="-c 1"
>>
>> if [ x$1 = xon ] ; then
>>     gain=32768
>>     verb="route"
>> else
>>     gain=0
>>     verb="mute"
>> fi
>>
>> shift;
>>
>> #input_source : 0-25  (physical channels),
>> #               26-51 (software playback)
>> #output_source : 0-25 (physical channels),
>> #               26-27 (line out)
>>
>> case $1 in
>>     play)
>>     for chn in $(seq 26 51);do
>>         $AMIXER $CARD cset numid=5 $chn,$(($chn-26)),$gain
>>     done
>>     ;;
>>
>>     thru)
>>     for input in $(seq 0 25);do
>>         for output in $(seq 0 25); do
>>         if [ $input != $output ]; then
>>             $AMIXER $CARD cset numid=5 $input,$output,$gain
>>         fi
>>         done
>>     done
>>     ;;
>>
>>     thru12)
>>     $AMIXER $CARD cset numid=5 0,0,$gain
>>     $AMIXER $CARD cset numid=5 1,1,$gain
>>     ;;
>>
>>     mon)
>>     for chn in $(seq 26 51);do
>>         if [ $(($chn % 2)) -eq 0 ] ; then
>>         $AMIXER $CARD cset numid=5 $chn,26,$gain
>>         else
>>         $AMIXER $CARD cset numid=5 $chn,27,$gain
>>         fi
>>     done
>>     ;;
>>
>>     all)
>>     for input in $(seq 0 51); do
>>         for output in $(seq 0 27); do
>>         echo -n "."
>>         if [ $gain = 0 -o $input != $output ]; then
>>             $AMIXER $CARD cset numid=5 $input,$output,$gain
>>         fi
>>         done
>>         echo
>>     done
>>     ;;
>>
>>     off)
>>     for input in $(seq 0 51); do
>>         for output in $(seq 0 27); do
>>         echo -n "."
>>         if [ $gain = 0 -o $input != $output ]; then
>>             $AMIXER $CARD cset numid=5 $input,$output,$gain
>>         fi
>>         done
>>         echo
>>     done
>>     ;;
>> esac
>> ------------------------
>>
>> ------------------------------
>>
>> Ardour-Users mailing list
>> ardour-users at lists.ardour.org
>> http://lists.ardour.org/listinfo.cgi/ardour-users-ardour.org
>>
>>
> -------
> Thanks for Ardour!
>
> Regards
> Tim
>
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>
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